Aquarium cleaner



FIG. 1 is a perspective view of an aquarium cleaner showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is the opposite side view of FIG. 4;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the figures represent portions of the aquarium cleaner that form no part of the claimed design. 

CLAIM The ornamental design for an aquarium cleaner, as shown and described. 